हिंदी
तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ९

Find the zero of the polynomial of the following: p(x) = 2x + 5

Advertisements
Advertisements

प्रश्न

Find the zero of the polynomial of the following:

p(x) = 2x + 5

योग
Advertisements

उत्तर

p(x) = 2x + 5

= `2(x + 5/2)`

`"p"(-5/2) = 2(- 5/2) + 5/2`

= −5 + 5

= 2(0)

= 0

Here `-5/2` is the zero of p(x).

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Algebra - Exercise 3.2 [पृष्ठ ९१]

APPEARS IN

सामाचीर कलवी Mathematics [English] Class 9 TN Board
अध्याय 3 Algebra
Exercise 3.2 | Q 3. (ii) | पृष्ठ ९१

संबंधित प्रश्न

Find p(0), p(1) and p(2) for the following polynomial:-

p(y) = y2 – y + 1


Find p(0), p(1) and p(2) for the following polynomial:-

p(t) = 2 + t + 2t2 – t3


Verify whether the following zeroes of the polynomial, indicated against them.

`p(x) = 3x + 1, x = -1/3`


Verify whether the following zeroes of the polynomial, indicated against them.

p(x) = x2 – 1, x = 1, –1


Verify whether the following zeroes of the polynomial, indicated against them.

p(x) = (x + 1) (x – 2), x = – 1, 2


Verify whether the following zeroes of the polynomial, indicated against them.

p(x) = 3x2 – 1, x = `-1/sqrt3,2/sqrt3`


Verify whether the following zeroes of the polynomial, indicated against them.

p(x) = 2x + 1, `x = 1/2`


Find the zero of the polynomial in the following case:

p(x) = 2x + 5


Find the zero of the polynomial in the following case:

p(x) = cx + d, c ≠ 0, c, d are real numbers.


Find the value of the polynomial 5x – 4x2 + 3 at x = –1.


Find the zero of the polynomial of the following :

f(z) = 8z


Find the zero of the polynomial of the following:

p(x) = ax when a ≠ 0


Verify whether the following are zeros of the polynomial indicated against them, or not

p(x) = 2x − 1, x = `1/2`


Find the number of zeros of the following polynomial represented by their graph


Find the number of zeros of the following polynomial represented by their graph


Zeros of (2 – 3x) is ___________


If `p(x) = x^2 - 2sqrt(2)x + 1`, then `p(2sqrt(2))` is equal to ______.


Zero of the zero polynomial is ______.


Zero of the polynomial p(x) = 2x + 5 is ______.


Zero of a polynomial is always 0


Find p(0), p(1), p(–2) for the following polynomial:

p(y) = (y + 2)(y – 2)


–3 is a zero of x – 3


–3 is a zero of y2 + y – 6


Find the zeroes of the polynomial in the following:

p(x) = x – 4


Find the zeroes of the polynomial in the following:

h(y) = 2y


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×